Szukana fraza: [Abstract = "The increased production of Reactive Oxygen Species \(ROS\) in plant leaf tissues is a hallmark of a plant\?s reaction to various environmental stresses. This paper describes an automatic segmentation method for scanned images of cucurbits leaves stained to visualise ROS accumulation sites featured by specific colour hues and intensities. The leaves placed separately in the scanner view field on a colour background are extracted by thresholding in the RGB colour space, then cleaned from petioles to obtain a leaf blade mask."]

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